Respiratory substrates are the compounds that are oxidised during respiration. Which of the following are not respiratory substrates?

In which of the following parts of eukaryotes does the breakdown of complex molecules to yield energy take place?

a. Chloroplast b. Cytoplasm c. Mitochondria

Which of the following parts are used by plants for their gaseous exchange?

a. Stomata b. Lenticels c. Root nodules

Which of the following statements is/are false?

a. Cyanobacteria and green plants can prepare their own food. b. The energy produced by plants is stored in the bonds of carbohydrates like glucose, sucrose and starch. c. In green plants, all cells, tissues and organs photosynthesise.

Which of the following is utilised during the process of respiration in plants?

Glucose and fructose are phosphorylated by an enzyme hexokinase to give rise to which of the following?

Which of the following assumptions is/are made to make calculations of the net gain of ATP for every glucose molecule oxidised?

Which of the following statements is/are false?

a. In anaerobic organisms, glycosis is the only process in respiration. b. Glucose undergoes partial oxidation in glycosis to form two molecules of pyruvic acid. c. Sucrose is converted into glucose and fructose by the enzyme hexokinase.

Which of the following statements is/are false?

a. In eukaryotes, aerobic respiration takes place within the cytoplasm. b. In many prokaryotes, fermentation takes place under anaerobic conditions. c. The metabolic pathway through which the electron passes from one carrier to another is called the electron transport system.

Which of the following substrates would need to be broken down into glycerol and fatty acids first before entering the respiratory pathway?

a. Carbohydrates b. Fats c. Proteins

Which of the following is not a characteristic property of aerobic respiration?

Which of the following statements is/are false?

a. The respiratory quotient depends upon the type of respiratory substrate used during respiration. b. In oxidative phosphorylation, O₂ is the ultimate acceptor of electrons and it gets reduced to water. c. The ratio of volume of CO₂ consumed to the volume of O₂ evolved in respiration is called as respiratory quotient.

For entry into Krebs cycle, pyruvate formed during glycolysis is converted into

In which of the following is less than seven percent of the energy in glucose released?

a. Aerobic respiration b. Lactic acid fermentation c. Alcohol fermentation

The breakdown of glucose to pyruvic acid is called glycolysis. It occurs in the __________ of a cell.